Simon Géza Gábor: „Csillogó fekete lemezeken…” 100 éves a magyar hanglemezgyártás és -forgalmazás (Budapest, 2008)
The empire of engineer Pál Székely Engineer Pál Székely first published German and English sound recordings by the famous Crystalate Company on the Kristály SzPB. label. Later he expanded his record company's range mainly with easy listening music on the labels Melódia, Merkur, Metro, Radiola Electro, Radiola Extra, Radiola Super and Triumpf. His studio was in Csata St. in the district of Angyalföld, Budapest. The triumphal procession of classical music Certain record labels, in part to increase their reputation, made significant classical music releases in the period between the two world wars. The most successful of these were the Czechoslovakian His Master's Voice releases. In March 1929 the Ministry for Religion and Public Education ordered 500 sets of their series, each consisting of 34 records. A total of 17 000 gramophone records, this was the Hungarian state's first major order from the gramophone record market.